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ofp-util: Abstract flow_mod OFPFF_* flags.

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The OFPFF_* flags used in flow_mods are just confusing enough that it
seems worthwhile to try to abstract them out.  In particular:

    * OFPFF_EMERG was introduced in OF1.0, deleted in OF1.1, and then
      its bit was reused for a different purpose in OF1.2.

    * OFPFF_RESET_COUNTS was introduced in OF1.2 but the semantics that it
      specifies are implied by "add" commands in earlier versions, so
      proper translation requires the OpenFlow version number and flow_mod
      command.

This commit does the abstraction.

Signed-off-by: Ben Pfaff <blp@nicira.com>
Acked-by: Ethan Jackson <ethan@nicira.com>
This commit is contained in:
Ben Pfaff
2013-08-26 16:23:50 -07:00
parent 994c997345
commit 0fb88c18fb
9 changed files with 171 additions and 63 deletions
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3
lib/ofp-errors.h
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@@ -349,7 +349,8 @@ enum ofperr {
/* OF1.0(3,4), OF1.1+(5,6). Unsupported or unknown command. */
OFPERR_OFPFMFC_BAD_COMMAND,
/* OF1.2+(5,7). Unsupported or unknown flags. */
/* NX1.0(3,258), NX1.1(5,258), OF1.2+(5,7). Unsupported or unknown
* flags. */
OFPERR_OFPFMFC_BAD_FLAGS,
/* OF1.0(3,5). Unsupported action list - cannot process in the order